Evinrude 4906B 4HP 1969 Owner's Manual page 327

8-68 LOWER UNIT
7- TAKE NOTE of the
of the reverse hub used to retain the needle
bear ings. The needle bearings are held in a
cage. The correct
fill the cage. This ring is the only visible
difference between the forward and reverse
hubs. Coat the needle bearings with grease
or vaseline to hold them in place.
count and take care to be sure the total
number of needle bearings are replaced dur-
ing installation. NEVER use a grease to hold
the needles in place which will not dissolve
quickly, or the parts will be ruined due to
lack of initial lubrication.
bear ings are all in place , CAREFULLY slide
the gear-and-spring
hub.
8- A Truarc snap ring secures the gear
to the hub. Use a pair of Truarc snap-ring
pliers to install this snap ring with the
chamfered edge against the bevel gear.
Assembling the Bearing Head
9- If the bearing head seal was removed,
press a new seal into the head.
be installed using a block of wood and a
mallet. If the bearing was removed, install
a new bearing from the back side of the
head. A special bearing installer tool, No. -
308104 is required
Press against the LETTERED side of the
bearing, until the bearing is flush with the
head surface. If the special bearing tool is
not available, a new head must be purchased
with the bearing installed.
ring around the head seal.
ring at the top
number of needles will
ALWAYS
After the needle
assembly down over the
The seal can
to install the bearing.
Install a NEW
Assembling the Lower Unit
10- Use special
No. 378737 and No. 308099 and press the
upper bear ing into the upper housing, if the
or iginal was removed.
lettered side of the bearing.
11- Position the upper housing rightside
up, and install the seal above the bearing.
This seal may be carefully tapped into place
with a mallet.
12- To install the lower pinion gear bear-
ing: Position the washer with the large hole
in the gear case, then the thrust washer, and
then the washer with the small hole. Install
the lower pinion gear bearing
using special
0-
bear ing installer
Press against
outer
tool No. 378737
Tool
the
race
and